Seasonal Variability of the Size Structure of Calanus sp. Populations in Spitsbergen Waters

被引：0

作者：

Berchenko, I. V. ^{[1
]}

Druzhkova, E. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Murmansk Marine Biol Inst, Murmansk, Russia

来源：

OCEANOLOGY | 2023年 / 63卷 / 01期

关键词：

Spitsbergen; Billefjord; Grenfjord; zooplankton; Calanus sp; size structure; seasonal variability; BARENTS SEA; FINMARCHICUS; GLACIALIS; COPEPODS; ZOOPLANKTON; FJORD; CYCLE; KONGSFJORDEN; HYPERBOREUS; PATTERNS;

D O I：

10.1134/S0001437023010010

中图分类号：

P7 [海洋学];

学科分类号：

0707 ;

摘要：

The seasonal and spatial variability of the size structure of Calanus sp. populations was compared in two fjords of Western Spitsbergen. The size structure of the copepodite stages IV and V differed significantly in summer and late autumn. The differences between the populations from Grenfjord and Billefjord were less pronounced due to the local heterogeneity of environmental factors. Selective elimination of large individuals by the animals of a higher trophic levels, individual changes in the body size of individuals as fat reserves were accumulated/metabolized, and the presence of two generations with different size characteristics were considered the reasons of seasonal variability described above.

引用

页码：45 / 53

页数：9

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